Shielded roller for reducing magnetic interferences in a MICR system read head
US6378773B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | May 23, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/084
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A document transport system wherein documents containing magnetized encoded indicia are to be read by a magnetic ink character recognition read head as the documents are transported by rollers along a document transport path includes a base plate disposed along the document transport path. A shaft is attached to the base plate and disposed generally perpendicular to the base plate. A hub member having a top surface, a bottom surface, an outer peripheral surface and a centrally disposed aperture receives the shaft. The hub member is supported on the base plate for rotation about the shaft. The hub member includes a slot spaced apart from and disposed between the centrally disposed aperture and the outer peripheral surface. A magnetic shield is attached to the base plate and is disposed within the hub member slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.